Windows Activation error 0x8007232A DNS Server failure

I have encountered this error many times: A problem occurred when Windows tried to activate. Error Code 0x8007232A “DNS Server Failure” Activations errors are explained in the page: http://support.microsoft.com/kb/938450 It seems that the machine cannot locate a KMS server (or in my case that the server has been installed with a “wrong” product key) If…